Title Difficulty Companies Videos
Min Stack Medium adobe amazon apple bloomberg ebay facebook flipkart goldman-sachs google groupon intuit linkedin lyft microsoft morgan-stanley netflix oracle pure-storage servicenow snapchat uber visa wish zenefits
Happy Number Easy adobe airbnb amazon apple bloomberg ebay evernote facebook google jpmorgan microsoft nutanix pinterest pure-storage twitter uber
Lowest Common Ancestor of a Binary Tree 4 - for array of nodes Medium
Lowest Common Ancestor Definition
Lowest Common Ancestor of a Binary Tree 3 - Given Parent Pointer Medium facebook twitter
Lowest Common Ancestor for a n-ary Tree Medium amazon
Lowest Common Ancestor of a Binary Tree 2 - Nodes may not exist in Tree Medium
Replace Elements with Greatest Element on Right Side Easy amazon
Invert Binary Tree Easy amazon apple bloomberg facebook google microsoft salesforce vmware
First Unique Character in a String Easy adobe amazon apple bloomberg facebook goldman-sachs google huawei jpmorgan linkedin microsoft servicenow yahoo zillow zulily
Substring with Concatenation of All Words Hard adobe amazon apple bloomberg dropbox facebook google microsoft
Merge Two Binary Trees Easy adobe amazon apple bloomberg facebook huawei oracle
Palindrome Linked List Problem Easy adobe amazon apple bloomberg cisco facebook google grab intel ixl microsoft nutanix snapchat vmware
Intersection of Two Sorted Array
Swap two number in place without temporary variables
Swap Kth node from beginning with Kth node from end in a Linked List Medium
Subarray with sum divisible by k
Second largest element in binary search tree dropbox
Replace all occurrences of a pattern in a text by another string
Reverse a stack in place using recursion
Reverse the given Array without using built in function
Reverse a string in C using as little additional memory as possible
Print all sub sequences of a given array
Number of elements less than or equal to a given number in a given subarray Medium
Minimum Distance Between Two Elements in an Array Easy
Merge K Sorted Arrays
Maximum Product of Three Numbers Easy amazon apple bloomberg cisco citadel coursera facebook goldman-sachs intuit redfin symantec
Maximum Pairwise Product 2 - Find pair with maximum product in array of Integers
Maximum Difference between two elements in array Easy
Maximum and minimum sum subsequences at a distance greater than equal to M
Maximize gems collected with an even number of red houses
Maximum gain in a two-player game with picking elements from array ends
Nuts and Bolts Problem OR Lock and Key
Given an array count max number of surpassers
Find fixed point in sorted array apple
Implement stack using linked list
Implement stack using an array
Implement Exponentiation or Power function using Bitwise Operator
Check Currency Arbitrage with Bellman Ford jane-street
Integer to English Words Problem Hard amazon apple barclays bloomberg capital-one citrix facebook google jpmorgan linkedin microsoft nutanix oracle palantir-technologies paypal sap splunk square tableau tesla uber visa yahoo yelp zillow
Generate All Strings of n bits
Swap alternate nodes in a singly linked list
Split Linked List 1 - At Middle
Merge a Linked list into another at Alternate Positions Medium
Fizz Buzz Problem Easy adobe amazon apple bloomberg capital-one cisco google linkedin microsoft oracle salesforce spotify wayfair
Find smallest and second smallest elements in an array
Find row with maximum number of 1s in sorted matrix
Find largest three elements in an array Easy
Intersection of Three Sorted Arrays Easy facebook tripadvisor
Snakes and Ladders Problem Medium amazon apple cisco facebook google hulu microsoft uber